MultiAngle Adjustment Rotate the light head 360 degrees to easily adjust the angle for your aquarium lighting, with a zoom scale from 10 to 45 degrees for astigmatism and concentration. This allows you to the setup to restore ecological scenery and enhance viewing pleasure. Color And Brightness Control External switches let you adjust light levels and color temperature, offering warm white, neutral white, and cold white to create various landscapes in your fish tank. The design is safe for fish and water quality. Compact And Easy Installation Slim LED aquarium light with a compact design and clipon mechanism for simple setup on tank walls up to 1 cm thick. Weighs 110 g and is powered by USB DC5V for convenient use. Safe And Energy Efficient 3W LED light source provides efficient illumination while avoiding harm to aquatic life. Black aluminum alloy construction is durable and suitable for tanks from 20 to 40 cm in size. Use scenarios Nano or desktop tanks (20–30 cm): clipon mounting and adjustable angle provide even coverage without bulky hardware. Planted or mixed tanks (25–40 cm): color options help simulate daylight and support plant growth while maintaining water safety. Slim or spaceconstrained setups: lightweight, USBpowered design fits on narrow tanks or stands without crowding the area. Specifications at a glance Light source: 3W LED Color options: warm white, neutral white, cold white Power: USB DC5V Weight: 110 g Mounting: clipon for tank walls up to 1 cm thick Housing: black aluminum alloy Tank compatibility: 20–40 cm Adjustable angle: 360degree rotation with 10–45 degree zoom Safety: designed to be fish and watersafe